SPERM

Sperm

The term sperm refers to the male reproductive cells and is derived from the Greek word sperma . In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size of the gametes with the smaller one being termed the "male" or sperm cell. A uniflagellar sperm cell that is motile is referred to as a spermatozoon, whereas a non-motile sperm cell is referred to as a spermatium. Sperm cells cannot divide and have a limited life span, but after fusion with egg cells during fertilization, a new organism begins developing, starting as a totipotent zygote.

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sperm

Noun

  1. Semen; the generative substance of male animals.
  2. The reproductive cell or gamete of the male; a spermatozoon.
  3. Sperm oil; whale oil from a sperm whale; spermaceti.


The above text is a snippet from Wiktionary: sperm
and as such is available under the Creative Commons Attribution/Share-Alike License.

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